456109 has 2 divisors, whose sum is σ = 456110. Its totient is φ = 456108.

The previous prime is 456107. The next prime is 456119. The reversal of 456109 is 901654.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 455625 + 484 = 675^2 + 22^2 .

It is a cyclic number.

It is not a de Polignac number, because 456109 - 2¹ = 456107 is a prime.

Together with 456107, it forms a pair of twin primes.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (456107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228054 + 228055.

It is an arithmetic number, because the mean of its divisors is an integer number (228055).

2⁴⁵⁶¹⁰⁹ is an apocalyptic number.

It is an amenable number.

456109 is a deficient number, since it is larger than the sum of its proper divisors (1).

456109 is an equidigital number, since it uses as much as digits as its factorization.

456109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 456109 is about 675.3584233576. The cubic root of 456109 is about 76.9761549823.

It can be divided in two parts, 456 and 109, that added together give a palindrome (565).

The spelling of 456109 in words is "four hundred fifty-six thousand, one hundred nine".